#include "stdafx.h"

/*  -- translated by f2c (version 19940927).
   You must link the resulting object file with the libraries:
	-lf2c -lm   (in that order)
*/

#include "hnum_f2c.h"
namespace harlinn
{
    namespace numerics
    {
        namespace SuperLU
        {
            real sasum_(integer *n, real *sx, integer *incx)
            {


                /* System generated locals */
                integer i__1, i__2;
                real ret_val, r__1, r__2, r__3, r__4, r__5, r__6;

                /* Local variables */
                static integer i, m, nincx;
                static real stemp;
                static integer mp1;


            /*     takes the sum of the absolute values.   
                    uses unrolled loops for increment equal to one.   
                    jack dongarra, linpack, 3/11/78.   
                    modified 3/93 to return if incx .le. 0.   
                    modified 12/3/93, array(1) declarations changed to array(*)   


    
                Parameter adjustments   
                    Function Body */
            #define SX(I) sx[(I)-1]


                ret_val = 0.f;
                stemp = 0.f;
                if (*n <= 0 || *incx <= 0) {
	            return ret_val;
                }
                if (*incx == 1) {
	            goto L20;
                }

            /*        code for increment not equal to 1 */

                nincx = *n * *incx;
                i__1 = nincx;
                i__2 = *incx;
                for (i = 1; *incx < 0 ? i >= nincx : i <= nincx; i += *incx) {
	            stemp += (r__1 = SX(i), dabs(r__1));
            /* L10: */
                }
                ret_val = stemp;
                return ret_val;

            /*        code for increment equal to 1   


                        clean-up loop */

            L20:
                m = *n % 6;
                if (m == 0) {
	            goto L40;
                }
                i__2 = m;
                for (i = 1; i <= m; ++i) {
	            stemp += (r__1 = SX(i), dabs(r__1));
            /* L30: */
                }
                if (*n < 6) {
	            goto L60;
                }
            L40:
                mp1 = m + 1;
                i__2 = *n;
                for (i = mp1; i <= *n; i += 6) {
	            stemp = stemp + (r__1 = SX(i), dabs(r__1)) + (r__2 = SX(i + 1), dabs(
		            r__2)) + (r__3 = SX(i + 2), dabs(r__3)) + (r__4 = SX(i + 3), 
		            dabs(r__4)) + (r__5 = SX(i + 4), dabs(r__5)) + (r__6 = SX(i + 
		            5), dabs(r__6));
            /* L50: */
                }
            L60:
                ret_val = stemp;
                return ret_val;
            } /* sasum_ */
        };
    };
};